CVE-2017-5856 — Missing Release of Memory after Effective Lifetime in Qemu

CWE-401 — Missing Release of Memory after Effective LifetimeCWE-772 — Missing Release of Resource after Effective Lifetime9 documents7 sources
Severity
6.5MEDIUMNVD
OSV5.5
EPSS
0.1%
top 65.49%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
QemuDebian QemuDebian Linux
Timeline
PublishedMar 16
Latest updateMay 13

Description

Memory leak in the megasas_handle_dcmd function in hw/scsi/megasas.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption) via MegaRAID Firmware Interface (MFI) commands with the sglist size set to a value over 2 Gb.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HExploitability: 2.0 | Impact: 4.0

Affected Packages4 packages

▶debiandebian/qemu< qemu 1:2.8+dfsg-3 (bookworm)
▶Debianqemu/qemu< 1:2.8+dfsg-3+3
▶Ubuntuqemu/qemu< 2.0.0+dfsg-2ubuntu1.33+1
▶NVDqemu/qemu2.8.1.1

Also affects: Debian Linux 8.0

Patches

Patch: www.openwall.com ↗Patch: www.openwall.com ↗Patch: bugzilla.redhat.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-3x3m-4c79-cmv9: Memory leak in the megasas_handle_dcmd function in hw/scsi/megasas↗2022-05-13
▶
OSV
qemu vulnerabilities↗2017-04-20
▶
OSV
CVE-2017-5856: Memory leak in the megasas_handle_dcmd function in hw/scsi/megasas↗2017-03-16
▶

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2017-04-20
▶
Red Hat
Qemu: scsi: megasas: host memory leakage in megasas_handle_dcmd↗2017-01-02
▶
Debian
CVE-2017-5856: qemu - Memory leak in the megasas_handle_dcmd function in hw/scsi/megasas.c in QEMU (ak...↗2017
▶

💬Community

2
Bugzilla
CVE-2017-5856 Qemu: scsi: megasas: host memory leakage in megasas_handle_dcmd [fedora-all]↗2017-02-01
▶
Bugzilla
CVE-2017-5856 Qemu: scsi: megasas: host memory leakage in megasas_handle_dcmd↗2017-02-01
▶